Expansion of g.f. A(x) satisfying 1 = Sum_{n=-oo..+oo} x^n * (2*A(x) - (-x)^n)^(n-1).
A361771
Expansion of g.f. A(x) satisfying 1 = Sum_{n=-oo..+oo} x^n * (2*A(x) - (-x)^n)^(n-1).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =7a(4) =28a(5) =89a(6) =421a(7) =1898a(8) =7912a(9) =36412a(10) =169960a(11) =779139a(12) =3668210a(13) =17486938a(14) =83333003a(15) =400956919a(16) =1943928504a(17) =9455346485a(18) =46225027071a(19) =227066384875
External references
- oeis: A361771